523 lines
18 KiB
PHP
523 lines
18 KiB
PHP
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace Org\Net;
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/**
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* 文件上传类
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* @category ORG
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* @package ORG
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* @subpackage Net
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* @author liu21st <liu21st@gmail.com>
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*/
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class UploadFile {//类定义开始
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private $config = array(
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'maxSize' => -1, // 上传文件的最大值
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'supportMulti' => true, // 是否支持多文件上传
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'allowExts' => array(), // 允许上传的文件后缀 留空不作后缀检查
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'allowTypes' => array(), // 允许上传的文件类型 留空不做检查
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'thumb' => false, // 使用对上传图片进行缩略图处理
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'imageClassPath' => 'ORG.Util.Image', // 图库类包路径
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'thumbMaxWidth' => '',// 缩略图最大宽度
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'thumbMaxHeight' => '',// 缩略图最大高度
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'thumbPrefix' => 'thumb_',// 缩略图前缀
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'thumbSuffix' => '',
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'thumbPath' => '',// 缩略图保存路径
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'thumbFile' => '',// 缩略图文件名
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'thumbExt' => '',// 缩略图扩展名
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'thumbRemoveOrigin' => false,// 是否移除原图
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'zipImages' => false,// 压缩图片文件上传
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'autoSub' => false,// 启用子目录保存文件
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'subType' => 'hash',// 子目录创建方式 可以使用hash date custom
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'subDir' => '', // 子目录名称 subType为custom方式后有效
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'dateFormat' => 'Ymd',
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'hashLevel' => 1, // hash的目录层次
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'savePath' => '',// 上传文件保存路径
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'autoCheck' => true, // 是否自动检查附件
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'uploadReplace' => false,// 存在同名是否覆盖
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'saveRule' => 'uniqid',// 上传文件命名规则
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'hashType' => 'md5_file',// 上传文件Hash规则函数名
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);
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// 错误信息
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private $error = '';
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// 上传成功的文件信息
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private $uploadFileInfo ;
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public function __get($name){
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if(isset($this->config[$name])) {
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return $this->config[$name];
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}
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return null;
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}
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public function __set($name,$value){
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if(isset($this->config[$name])) {
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$this->config[$name] = $value;
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}
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}
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public function __isset($name){
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return isset($this->config[$name]);
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}
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/**
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* 架构函数
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* @access public
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* @param array $config 上传参数
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*/
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public function __construct($config=array()) {
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if(is_array($config)) {
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$this->config = array_merge($this->config,$config);
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}
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}
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/**
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* 上传一个文件
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* @access public
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* @param mixed $name 数据
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* @param string $value 数据表名
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* @return string
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*/
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private function save($file) {
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$filename = $file['savepath'].$file['savename'];
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if(!$this->uploadReplace && is_file($filename)) {
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// 不覆盖同名文件
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$this->error = '文件已经存在！'.$filename;
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return false;
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}
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// 如果是图像文件 检测文件格式
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if( in_array(strtolower($file['extension']),array('gif','jpg','jpeg','bmp','png','swf'))) {
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$info = getimagesize($file['tmp_name']);
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if(false === $info || ('gif' == strtolower($file['extension']) && empty($info['bits']))){
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$this->error = '非法图像文件';
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return false;
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}
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}
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if(!move_uploaded_file($file['tmp_name'], $this->autoCharset($filename,'utf-8','gbk'))) {
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$this->error = '文件上传保存错误！';
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return false;
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}
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if($this->thumb && in_array(strtolower($file['extension']),array('gif','jpg','jpeg','bmp','png'))) {
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$image = getimagesize($filename);
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if(false !== $image) {
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//是图像文件生成缩略图
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$thumbWidth = explode(',',$this->thumbMaxWidth);
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$thumbHeight = explode(',',$this->thumbMaxHeight);
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$thumbPrefix = explode(',',$this->thumbPrefix);
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$thumbSuffix = explode(',',$this->thumbSuffix);
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$thumbFile = explode(',',$this->thumbFile);
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$thumbPath = $this->thumbPath?$this->thumbPath:dirname($filename).'/';
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$thumbExt = $this->thumbExt ? $this->thumbExt : $file['extension']; //自定义缩略图扩展名
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// 生成图像缩略图
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import($this->imageClassPath);
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for($i=0,$len=count($thumbWidth); $i<$len; $i++) {
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if(!empty($thumbFile[$i])) {
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$thumbname = $thumbFile[$i];
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}else{
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$prefix = isset($thumbPrefix[$i])?$thumbPrefix[$i]:$thumbPrefix[0];
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$suffix = isset($thumbSuffix[$i])?$thumbSuffix[$i]:$thumbSuffix[0];
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$thumbname = $prefix.basename($filename,'.'.$file['extension']).$suffix;
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}
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Image::thumb($filename,$thumbPath.$thumbname.'.'.$thumbExt,'',$thumbWidth[$i],$thumbHeight[$i],true);
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}
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if($this->thumbRemoveOrigin) {
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// 生成缩略图之后删除原图
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unlink($filename);
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}
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}
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}
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if($this->zipImags) {
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// TODO 对图片压缩包在线解压
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}
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return true;
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}
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/**
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* 上传所有文件
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* @access public
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* @param string $savePath 上传文件保存路径
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* @return string
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*/
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public function upload($savePath ='') {
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//如果不指定保存文件名，则由系统默认
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if(empty($savePath))
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$savePath = $this->savePath;
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// 检查上传目录
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if(!is_dir($savePath)) {
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// 检查目录是否编码后的
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if(is_dir(base64_decode($savePath))) {
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$savePath = base64_decode($savePath);
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}else{
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// 尝试创建目录
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if(!mkdir($savePath)){
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$this->error = '上传目录'.$savePath.'不存在';
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return false;
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}
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}
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}else {
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if(!is_writeable($savePath)) {
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$this->error = '上传目录'.$savePath.'不可写';
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return false;
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}
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}
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$fileInfo = array();
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$isUpload = false;
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// 获取上传的文件信息
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// 对$_FILES数组信息处理
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$files = $this->dealFiles($_FILES);
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foreach($files as $key => $file) {
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//过滤无效的上传
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if(!empty($file['name'])) {
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//登记上传文件的扩展信息
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if(!isset($file['key'])) $file['key'] = $key;
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$file['extension'] = $this->getExt($file['name']);
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$file['savepath'] = $savePath;
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$file['savename'] = $this->getSaveName($file);
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// 自动检查附件
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if($this->autoCheck) {
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if(!$this->check($file))
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return false;
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}
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//保存上传文件
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if(!$this->save($file)) return false;
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if(function_exists($this->hashType)) {
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$fun = $this->hashType;
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$file['hash'] = $fun($this->autoCharset($file['savepath'].$file['savename'],'utf-8','gbk'));
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}
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//上传成功后保存文件信息，供其他地方调用
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unset($file['tmp_name'],$file['error']);
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$fileInfo[] = $file;
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$isUpload = true;
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}
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}
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if($isUpload) {
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$this->uploadFileInfo = $fileInfo;
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return true;
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}else {
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$this->error = '没有选择上传文件';
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return false;
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}
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}
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/**
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* 上传单个上传字段中的文件 支持多附件
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* @access public
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* @param array $file 上传文件信息
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* @param string $savePath 上传文件保存路径
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* @return string
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*/
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public function uploadOne($file,$savePath=''){
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//如果不指定保存文件名，则由系统默认
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if(empty($savePath))
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$savePath = $this->savePath;
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// 检查上传目录
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if(!is_dir($savePath)) {
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// 尝试创建目录
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if(!mkdir($savePath,0777,true)){
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$this->error = '上传目录'.$savePath.'不存在';
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return false;
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}
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}else {
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if(!is_writeable($savePath)) {
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$this->error = '上传目录'.$savePath.'不可写';
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return false;
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}
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}
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//过滤无效的上传
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if(!empty($file['name'])) {
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$fileArray = array();
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if(is_array($file['name'])) {
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$keys = array_keys($file);
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$count = count($file['name']);
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for ($i=0; $i<$count; $i++) {
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foreach ($keys as $key)
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$fileArray[$i][$key] = $file[$key][$i];
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}
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}else{
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$fileArray[] = $file;
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}
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$info = array();
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foreach ($fileArray as $key=>$file){
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//登记上传文件的扩展信息
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$file['extension'] = $this->getExt($file['name']);
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$file['savepath'] = $savePath;
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$file['savename'] = $this->getSaveName($file);
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// 自动检查附件
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if($this->autoCheck) {
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if(!$this->check($file))
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return false;
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}
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//保存上传文件
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if(!$this->save($file)) return false;
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if(function_exists($this->hashType)) {
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$fun = $this->hashType;
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$file['hash'] = $fun($this->autoCharset($file['savepath'].$file['savename'],'utf-8','gbk'));
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}
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unset($file['tmp_name'],$file['error']);
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$info[] = $file;
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}
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// 返回上传的文件信息
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return $info;
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}else {
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$this->error = '没有选择上传文件';
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return false;
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}
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}
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/**
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* 转换上传文件数组变量为正确的方式
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* @access private
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* @param array $files 上传的文件变量
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* @return array
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*/
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private function dealFiles($files) {
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$fileArray = array();
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$n = 0;
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foreach ($files as $key=>$file){
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if(is_array($file['name'])) {
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$keys = array_keys($file);
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$count = count($file['name']);
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for ($i=0; $i<$count; $i++) {
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$fileArray[$n]['key'] = $key;
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foreach ($keys as $_key){
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$fileArray[$n][$_key] = $file[$_key][$i];
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}
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$n++;
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}
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}else{
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$fileArray[$key] = $file;
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}
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}
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return $fileArray;
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}
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/**
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* 获取错误代码信息
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* @access public
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* @param string $errorNo 错误号码
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* @return void
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*/
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protected function error($errorNo) {
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switch($errorNo) {
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case 1:
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$this->error = '上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值';
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break;
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case 2:
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$this->error = '上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值';
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break;
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case 3:
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$this->error = '文件只有部分被上传';
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break;
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case 4:
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$this->error = '没有文件被上传';
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break;
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case 6:
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$this->error = '找不到临时文件夹';
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break;
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case 7:
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$this->error = '文件写入失败';
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break;
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default:
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$this->error = '未知上传错误！';
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}
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return ;
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}
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/**
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|||
|
|
* 根据上传文件命名规则取得保存文件名
|
|||
|
|
* @access private
|
|||
|
|
* @param string $filename 数据
|
|||
|
|
* @return string
|
|||
|
|
*/
|
|||
|
|
private function getSaveName($filename) {
|
|||
|
|
$rule = $this->saveRule;
|
|||
|
|
if(empty($rule)) {//没有定义命名规则，则保持文件名不变
|
|||
|
|
$saveName = $filename['name'];
|
|||
|
|
}else {
|
|||
|
|
if(function_exists($rule)) {
|
|||
|
|
//使用函数生成一个唯一文件标识号
|
|||
|
|
$saveName = $rule().".".$filename['extension'];
|
|||
|
|
}else {
|
|||
|
|
//使用给定的文件名作为标识号
|
|||
|
|
$saveName = $rule.".".$filename['extension'];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if($this->autoSub) {
|
|||
|
|
// 使用子目录保存文件
|
|||
|
|
$filename['savename'] = $saveName;
|
|||
|
|
$saveName = $this->getSubName($filename).$saveName;
|
|||
|
|
}
|
|||
|
|
return $saveName;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取子目录的名称
|
|||
|
|
* @access private
|
|||
|
|
* @param array $file 上传的文件信息
|
|||
|
|
* @return string
|
|||
|
|
*/
|
|||
|
|
private function getSubName($file) {
|
|||
|
|
switch($this->subType) {
|
|||
|
|
case 'custom':
|
|||
|
|
$dir = $this->subDir;
|
|||
|
|
break;
|
|||
|
|
case 'date':
|
|||
|
|
$dir = date($this->dateFormat,time()).'/';
|
|||
|
|
break;
|
|||
|
|
case 'hash':
|
|||
|
|
default:
|
|||
|
|
$name = md5($file['savename']);
|
|||
|
|
$dir = '';
|
|||
|
|
for($i=0;$i<$this->hashLevel;$i++) {
|
|||
|
|
$dir .= $name{$i}.'/';
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
if(!is_dir($file['savepath'].$dir)) {
|
|||
|
|
mkdir($file['savepath'].$dir,0777,true);
|
|||
|
|
}
|
|||
|
|
return $dir;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 检查上传的文件
|
|||
|
|
* @access private
|
|||
|
|
* @param array $file 文件信息
|
|||
|
|
* @return boolean
|
|||
|
|
*/
|
|||
|
|
private function check($file) {
|
|||
|
|
if($file['error']!== 0) {
|
|||
|
|
//文件上传失败
|
|||
|
|
//捕获错误代码
|
|||
|
|
$this->error($file['error']);
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
//文件上传成功，进行自定义规则检查
|
|||
|
|
//检查文件大小
|
|||
|
|
if(!$this->checkSize($file['size'])) {
|
|||
|
|
$this->error = '上传文件大小不符！';
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//检查文件Mime类型
|
|||
|
|
if(!$this->checkType($file['type'])) {
|
|||
|
|
$this->error = '上传文件MIME类型不允许！';
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
//检查文件类型
|
|||
|
|
if(!$this->checkExt($file['extension'])) {
|
|||
|
|
$this->error ='上传文件类型不允许';
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//检查是否合法上传
|
|||
|
|
if(!$this->checkUpload($file['tmp_name'])) {
|
|||
|
|
$this->error = '非法上传文件！';
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 自动转换字符集 支持数组转换
|
|||
|
|
private function autoCharset($fContents, $from='gbk', $to='utf-8') {
|
|||
|
|
$from = strtoupper($from) == 'UTF8' ? 'utf-8' : $from;
|
|||
|
|
$to = strtoupper($to) == 'UTF8' ? 'utf-8' : $to;
|
|||
|
|
if (strtoupper($from) === strtoupper($to) || empty($fContents) || (is_scalar($fContents) && !is_string($fContents))) {
|
|||
|
|
//如果编码相同或者非字符串标量则不转换
|
|||
|
|
return $fContents;
|
|||
|
|
}
|
|||
|
|
if (function_exists('mb_convert_encoding')) {
|
|||
|
|
return mb_convert_encoding($fContents, $to, $from);
|
|||
|
|
} elseif (function_exists('iconv')) {
|
|||
|
|
return iconv($from, $to, $fContents);
|
|||
|
|
} else {
|
|||
|
|
return $fContents;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 检查上传的文件类型是否合法
|
|||
|
|
* @access private
|
|||
|
|
* @param string $type 数据
|
|||
|
|
* @return boolean
|
|||
|
|
*/
|
|||
|
|
private function checkType($type) {
|
|||
|
|
if(!empty($this->allowTypes))
|
|||
|
|
return in_array(strtolower($type),$this->allowTypes);
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 检查上传的文件后缀是否合法
|
|||
|
|
* @access private
|
|||
|
|
* @param string $ext 后缀名
|
|||
|
|
* @return boolean
|
|||
|
|
*/
|
|||
|
|
private function checkExt($ext) {
|
|||
|
|
if(!empty($this->allowExts))
|
|||
|
|
return in_array(strtolower($ext),$this->allowExts,true);
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 检查文件大小是否合法
|
|||
|
|
* @access private
|
|||
|
|
* @param integer $size 数据
|
|||
|
|
* @return boolean
|
|||
|
|
*/
|
|||
|
|
private function checkSize($size) {
|
|||
|
|
return !($size > $this->maxSize) || (-1 == $this->maxSize);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 检查文件是否非法提交
|
|||
|
|
* @access private
|
|||
|
|
* @param string $filename 文件名
|
|||
|
|
* @return boolean
|
|||
|
|
*/
|
|||
|
|
private function checkUpload($filename) {
|
|||
|
|
return is_uploaded_file($filename);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 取得上传文件的后缀
|
|||
|
|
* @access private
|
|||
|
|
* @param string $filename 文件名
|
|||
|
|
* @return boolean
|
|||
|
|
*/
|
|||
|
|
private function getExt($filename) {
|
|||
|
|
$pathinfo = pathinfo($filename);
|
|||
|
|
return $pathinfo['extension'];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 取得上传文件的信息
|
|||
|
|
* @access public
|
|||
|
|
* @return array
|
|||
|
|
*/
|
|||
|
|
public function getUploadFileInfo() {
|
|||
|
|
return $this->uploadFileInfo;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 取得最后一次错误信息
|
|||
|
|
* @access public
|
|||
|
|
* @return string
|
|||
|
|
*/
|
|||
|
|
public function getErrorMsg() {
|
|||
|
|
return $this->error;
|
|||
|
|
}
|
|||
|
|
}
|